Mean deviation, Variance and Standard Deviation of the values 4,4,4,4,4,4 is_______________?
A. 4
B. 8
C. 2
D. 0
Measures Of Dispersion
The variance of 5 numbers is 10. If each number is divided by 2, then variance of new number is_____________?
The variance of 5 numbers is 10. If each number is divided by 2, then variance of new number is_____________?
A. 20
B. 5
C. 2.5
D. 0
The mean deviation of the values, 18, 12, 15, is_______________?
The mean deviation of the values, 18, 12, 15, is_______________?
A. 6
B. Zero
C. 3
D. 2
Lowest value of variance can be____________?
Lowest value of variance can be____________?
A. 1
B. -1
C. 3
D. 0
If the standard deviation of the values 2,4,6,8 is 2.33, then the standard deviation of the values 4,6,8,10 is_____________?
If the standard deviation of the values 2,4,6,8 is 2.33, then the standard deviation of the values 4,6,8,10 is_____________?
A. 0
B. 2.58
C. 4.66
D. 2.33
If Y=-8X – 5 and SD of X is 3, then SD of Y is______________?
If Y=-8X – 5 and SD of X is 3, then SD of Y is______________?
A. 8
B. 3
C. 24
D. None of these
Variance remains unchanged by change of_____________?
Variance remains unchanged by change of_____________?
A. Origin
B. Scale
C. Both
D. None of these
If all values are same then the measure of dispersion will be?
If all values are same then the measure of dispersion will be?
A. 1
B. 0
C. Mean
D. Mode
E. Median
The shape of the symmetrical distribution is _______?
The shape of the symmetrical distribution is _______?
A. U- Shaped
B. J- Shaped
C. Bell- Shaped
D. None of these
The sum of absolute deviations from median is _____?
The sum of absolute deviations from median is _____?
A. Zero
B. Positive
C. Least
D. None of these